Base | Representation |
---|---|
bin | 111100010001100011… |
… | …011001000111010111 |
3 | 20012001101012211210212 |
4 | 330101203121013113 |
5 | 2030021031000043 |
6 | 45422000440035 |
7 | 4450540265156 |
oct | 742143310727 |
9 | 205041184725 |
10 | 64719000023 |
11 | 254a1208687 |
12 | 1066231901b |
13 | 61453111b2 |
14 | 31bd4c959d |
15 | 1a3bba0018 |
hex | f118d91d7 |
64719000023 has 2 divisors, whose sum is σ = 64719000024. Its totient is φ = 64719000022.
The previous prime is 64718999959. The next prime is 64719000037. The reversal of 64719000023 is 32000091746.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 64719000023 - 26 = 64718999959 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (64719009023) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32359500011 + 32359500012.
It is an arithmetic number, because the mean of its divisors is an integer number (32359500012).
Almost surely, 264719000023 is an apocalyptic number.
64719000023 is a deficient number, since it is larger than the sum of its proper divisors (1).
64719000023 is an equidigital number, since it uses as much as digits as its factorization.
64719000023 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 9072, while the sum is 32.
Adding to 64719000023 its reverse (32000091746), we get a palindrome (96719091769).
The spelling of 64719000023 in words is "sixty-four billion, seven hundred nineteen million, twenty-three", and thus it is an aban number.
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